Previously because the AD domain was 2003 Hierarchical relationship，So on Windows Server 2012 When you want to join the domain in a later version，You have to go to the "function" side first and put SMB 1.0 Client installed，To successfully join the domain。Recently my colleague upgraded the AD domain to 2008 R2，So I want to shut down the SMB v1 of these servers，To improve security。And when you want to remove，Unable to uncheck，Therefore, the removal method is commanded instead.。
◎ Run PowerShell and enter the following commands，Confirmation SMB 1 Installation status：
Get-WindowsFeature FS-SMB1
◎ After confirmation，Enter remove command，After performing a reboot，To complete the
Disable-WindowsOptionalFeature -Online -FeatureName smb1protocol
postscript：
Later, it was found that the graphical interface could not be unchecked，Because I chose "NewRoles and Features，If you choose "RemoveRoles and functions "，Can be removed normally，Oh。
【參考連結】
- How to detect、Enable and disable SMBv1 in Windows、SMBv2 and SMBv3 | Microsoft Docs
